H2P-388
Charges in a uniform electric field
H2 Physics · JC 2 · Medium · Charges in a uniform electric field
A proton of mass and charge enters a region of uniform electric field at right angles to the field with speed . It travels between the plates for a fixed time . If the field strength is doubled, what happens to the vertical deflection of the proton when it leaves the plates?
- The deflection doubles.
- The deflection halves.
- The deflection becomes four times as large.
- The deflection is unchanged.
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